The rally ended in violence, with five people killed and six wounded in a clash with police in Belgrade.

[1] Kaclerović was one of the founders of the Serbian Social Democratic Party and the Main Workers' Union.

In cooperation with Dimitrije Tucović, he worked on the creation of a socialist federation of Balkan nations.

Kaclerović often interpreted the political moves of Pasic's radicals as "an order coming from Moscow".

[2] On August 22, 1911, Užice Socialists convened a large workers 'assembly in due to non-compliance with the Law on Strikes, at which Triša Kaclerović spoke on behalf of the Main Party Administration and the Main Workers' Union.